2154841040

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{409}}^1\times {\mathrm{5987}}^1$

素因数の和:6420

約数の個数: 80

約数和(自身を含む): 5479738560

約数和(自身を除く): 3324897520

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 409, 440, 818, 880, 1636, 2045, 3272, 4090, 4499, 5987, 6544, 8180, 8998, 11974, 16360, 17996, 22495, 23948, 29935, 32720, 35992, 44990, 47896, 59870, 65857, 71984, 89980, 95792, 119740, 131714, 179960, 239480, 263428, 329285, 359920, 478960, 526856, 658570, 1053712, 1317140, 2448683, 2634280, 4897366, 5268560, 9794732, 12243415, 19589464, 24486830, 26935513, 39178928, 48973660, 53871026, 97947320, 107742052, 134677565, 195894640, 215484104, 269355130, 430968208, 538710260, 1077420520, 2154841040]

約数ペア:

[(1, 2154841040), (2, 1077420520), (4, 538710260), (5, 430968208), (8, 269355130), (10, 215484104), (11, 195894640), (16, 134677565), (20, 107742052), (22, 97947320), (40, 53871026), (44, 48973660), (55, 39178928), (80, 26935513), (88, 24486830), (110, 19589464), (176, 12243415), (220, 9794732), (409, 5268560), (440, 4897366), (818, 2634280), (880, 2448683), (1636, 1317140), (2045, 1053712), (3272, 658570), (4090, 526856), (4499, 478960), (5987, 359920), (6544, 329285), (8180, 263428), (8998, 239480), (11974, 179960), (16360, 131714), (17996, 119740), (22495, 95792), (23948, 89980), (29935, 71984), (32720, 65857), (35992, 59870), (44990, 47896)]